16 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Tropheryma whipplei, Fungi ... Sara Dong @swinndong ... diagnosis #causes #culture ... InfectiousDiseases #Microbiology
By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com  @febrilepodcast]
#ID  #InfectiousDiseases  #Infections
#Microbiology #Micro
#Cryptococcus #cryptococcosis
Sara Dong @swinndong ... #Infections #Microbiology ... cryptococcosis #fungi
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
Sara Dong @swinndong ... Diagnosis #Fungal #Fungi ... Aspergillus #Candida #Microbiology
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Sara Dong @swinndong ... #Infections #Microbiology
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
& often a +ve culture ... Microbiology: ... be caused by, fungi
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 •
component of many fungi ... Sara Dong @swinndong ... diagnosis #comparison #microbiology
Morphology of Fungal Infections in Tissues
Fungal infections with hyphae or pseudohyphae in tissues:
 • Yeasts with
Sara Dong @swinndong ... Tissues #pathology #fungi ... yeast #hyphae #microbiology
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
other hyaline fungi ... with dematiaceous fungi ... Sara Dong @swinndong ... Pseudohyphae #fungal #fungi ... #infections #microbiology
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
preparation from culture ... cell response to fungi ... doesn't stain most fungi ... Fungal #Stains #microbiology ... staining #diagnosis #fungi
By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com  @febrilepodcast]
#ID  #InfectiousDiseases  #Infections
#Microbiology #Micro
#Cryptococcus #cryptococcosis
Sara Dong @swinndong ... #Infections #Microbiology ... cryptococcosis #fungi